package edu.com.wjt219971332.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.TransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.sql.DataSource;
/**
 * 业务层配置类：servicem, aop, tx
 * 1.service
 * 2.开启aop注解的支持 aspect：@before @after @AfterReturning @AfterThrowing @Around @Aspect @Order
 * 3.tx声明式事务管理： 1. 对应的事务管理器实现 2.开启事务注解 @Transactional
 */
@Configuration
@EnableAspectJAutoProxy
@EnableTransactionManagement
@ComponentScan({"edu.com.wjt219971332.service"})
public class ServiceJavaConflg {
    @Bean
    public TransactionManager transactionManager(DataSource dataSource){
        DataSourceTransactionManager dataSourceTransactionManager = new DataSourceTransactionManager();
        dataSourceTransactionManager.setDataSource(dataSource);
        return dataSourceTransactionManager;
    }
}
